X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=9137a4f70be1423c20b9c2107f15db2c91abdada;hb=9a82b2389fd9b1d893400892d92006d2f9eb17db;hp=3a8dcf4d3cb7e04c5cbf3a77f7e7fd7031218ff5;hpb=468e2e926b8d1f55d6ce67fee67e33a7fa6d8371;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index 3a8dcf4d3..9137a4f70 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -12,7 +12,7 @@ import sys
 import traceback
 import zlib
 import email.utils
-import json
+import socket
 import datetime
 
 try:
@@ -470,9 +470,17 @@ def make_HTTPS_handler(opts):
 
 class ExtractorError(Exception):
     """Error during info extraction."""
-    def __init__(self, msg, tb=None):
-        """ tb, if given, is the original traceback (so that it can be printed out). """
+    def __init__(self, msg, tb=None, expected=False):
+        """ tb, if given, is the original traceback (so that it can be printed out).
+        If expected is set, this is a normal error message and most likely not a bug in youtube-dl.
+        """
+
+        if sys.exc_info()[0] in (compat_urllib_error.URLError, socket.timeout, UnavailableVideoError):
+            expected = True
+        if not expected:
+            msg = msg + u'; please report this issue on https://yt-dl.org/bug . Be sure to call youtube-dl with the --verbose flag and include its complete output.'
         super(ExtractorError, self).__init__(msg)
+
         self.traceback = tb
         self.exc_info = sys.exc_info()  # preserve original exception